.tab-top {
    width: 100vw;
    height: 22.933vw;
    position: relative;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999999;
    padding-top: 22.933vw;

    .tab-top-bg {
        position: absolute;
        width: 129.067vw;
        height: 29.333vw;
        top: -8vw;
        left: 50%;
        border-radius: 40%;
        background: linear-gradient(180deg, #3ECEC5D8 0%, #26BCC6 100%);
        transform: translate(-50%, 0);
    }

    input {
        /* 宽高与布局 */
        width: 92vw;
        height: 10.667vw;
        border-radius: 5.333vw;
        position: absolute;
        bottom: 0.267vw;
        left: 50%;
        transform: translate(-50%, 0);

        /* 边框与背景 */
        border: 1px solid #FFFFFF;
        background: url(../images/search_default@1x.png) no-repeat 5.333vw center / 4vw 4vw;
        box-shadow: 0vw 2vw 2.933vw -0.933vw #E0ECFAD1;
        background-color: #fff;

        /* 文本垂直居中关键：line-height 与 height 一致 */
        line-height: 10.667vw;
        font-size: 3.467vw;
        /* 统一文本字号 */
        text-indent: 10.667vw;
        /* placeholder 缩进（替代 background-position 占位） */
        padding: 0;
        /* 清除默认内边距干扰 */
        outline: none;
        /* 可选：清除聚焦外边框 */

        &::placeholder {
            color: #999;
        }
    }

    h2 {
        font-size: 4.533vw;
        text-align: left;
        margin-left: 4.533vw;
        position: absolute;
        top: 2.667vw;
        color: #fff;
    }
}

.section {
    margin-top: 22.4vw;
    margin-bottom: 13.6vw;

    .sec-list {
        width: 100%;
        height: 32vw;
        padding: 2.667vw 4vw 0 4vw;
        display: flex;
        justify-content: space-between;
        align-items: center;

        .sec-list-item {
            width: 30.667vw;
            height: 29.333vw;
            padding-top: 2.667vw;



            img {
                width: 10.667vw;
                height: 10.667vw;
                margin: 0 auto 2.4vw;

            }

            h3 {
                color: #121826;

                font-size: 3.733vw;
                line-height: 5.6vw;
                letter-spacing: 0vw;
                text-align: center;
            }

            p {
                color: #848484;

                font-size: 2.933vw;
                line-height: 4.267vw;
                letter-spacing: 0vw;
                text-align: center;
            }
        }

    }

    .sec-list1 {
        width: 100%;
        height: 17.333vw;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1.333vw 8.267vw;

        .sec-list1-item {
            width: 13.867vw;
            height: 14.667vw;
            margin: 0 auto;

            &:nth-child(1),
            &:nth-child(2),
            &:nth-child(3) {
                margin-right: 9.333vw;
            }



            img {
                width: 8.267vw;
                height: 8.267vw;
                margin: 0 auto 1.333vw;

            }

            p {
                color: #3C3E42;
                font-size: 3.467vw;
                line-height: 5.067vw;
                text-align: center;
            }
        }

    }

    .sec-banner {
        width: 92vw;
        height: 32vw;
        margin: 1.333vw 4vw 4vw;

        img {
            width: 100%;
            height: 100%;
        }
    }

    .sec-nav {
        width: 100%;
        height: 11.733vw;

        ul {
            width: 70.667vw;
            height: 11.733vw;
            display: flex;
            justify-content: flex-start;
            align-items: center;

            li {
                width: 14.133vw;
                height: 11.733vw;
                line-height: 11.733vw;
                padding: 0 4vw;

                a {
                    display: block;
                    width: 7.467vw;
                    height: 100%;
                    color: #979797;
                    font-size: 3.733vw;
                    text-align: center;

                }

                &:nth-child(2) a {
                    font-weight: bold;
                    color: #000;
                    border-bottom: 2px solid #2CB5A5;
                }
            }
        }

    }

    .sec-content {
        width: 100%;
        height: 87.2vw;
        padding: 0 4vw 4vw;
        border-bottom: 1px solid #ccc;

        .content-header {
            margin-top: 5.333vw;
            display: flex;
            justify-content: space-between;
            align-items: center;

            .left {
                display: flex;

                img {
                    width: 10.133vw;
                    height: 10.133vw;
                    border-radius: 50%;
                    margin-right: 2.667vw;
                }

                .header-info {
                    width: 40.533vw;
                    height: 10.667vw;

                    h3 {
                        display: block;
                        width: 11.467vw;
                        height: 5.867vw;
                        color: #3C3E42;

                        font-size: 3.733vw;
                        line-height: 5.867vw;
                    }

                    p {
                        width: 40.533vw;
                        height: 4.8vw;
                        color: #C3C3C5;
                        font-size: 3.2vw;
                        line-height: 4.8vw;
                    }
                }
            }

            button {
                width: 17.6vw;
                height: 7.2vw;
                line-height: 4.267vw;
                border-radius: 3.6vw;
                border: 1px solid #2CB5A5;
                padding: 1.333vw 4vw;
                position: relative;
                text-align: right;
                color: #2CB5A5;
                background-color: #fff;

                font-size: 2.933vw;

                &::before {
                    content: '+';
                    position: absolute;
                    top: 1.067vw;
                    left: 4vw;

                }



            }
        }

        h2 {
            width: 82.4vw;
            height: 6.4vw;
            margin-top: 1.867vw;
            margin-bottom: 1.6vw;
            color: #121826;
            font-weight: bold;
            font-size: 4.267vw;
            line-height: 6.4vw;
            text-align: left;
        }

        span {
            display: block;
            width: 15.733vw;
            height: 4.8vw;
            color: #2CB5A5;
            margin-bottom: 1.867vw;
            font-size: 3.2vw;
            line-height: 4.8vw;

            text-align: left;
        }

        p {
            display: block;
            width: 92vw;
            height: 12.8vw;
            max-lines: 2;
            color: #6F6F6F;
            font-size: 3.733vw;
            line-height: 6.4vw;
            text-align: left;
            margin-bottom: 1.6vw;
        }

        .img-list {
            display: flex;
            justify-content: space-between;

            img {
                display: block;
                width: 28.267vw;
                height: 28.267vw;
                border-radius: 4vw;
                background: #C4C4C4;
            }

            .sec-content-img {
                width: 49.333vw;
                height: 33.333vw;
                border-radius: 4vw;
                background: #C4C4C4;
            }

        }

        .content-bottom {
            width: 92vw;
            height: 9.2vw;
            margin-top: 2.667vw;
            display: flex;
            justify-content: flex-start;

            span {
                display: block;
                width: 16vw;
                height: 5.067vw;
                color: #C3C3C5;
                font-size: 3.2vw;
                line-height: 5.067vw;

                text-align: left;
            }
        }
    }
}

.nav-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 13.6vw;
    z-index: 999999;
    background-color: #fff;


    ul {
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: space-between;

        padding: 0 4vw;

        li {
            width: 20vw;
            height: 13.6vw;


            a {
                display: block;
                width: 100%;
                height: 100%;
                text-align: center;

                img {
                    display: block;
                    width: 4.533vw;
                    height: 4.8vw;
                    margin: 2.933vw auto 0;
                    margin-bottom: 1.867vw;

                }

                span {
                    display: block;
                    color: #6F6F6F;
                    font-size: 2.667vw;
                    line-height: 2.667vw;
                    text-align: center;
                }
            }
        }
    }
}